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115028692370449 = 11213217924192
BaseRepresentation
bin11010001001111000110100…
…010110010000010000010001
3120002021122011100102100101021
4122021320310112100100101
5110034112230221323244
61044351241325235441
733141356141432554
oct3211706426202021
9502248140370337
10115028692370449
1133719438062300
1210a993b8402b81
134c2520b850c00
1420595c01c669b
15d47260d62284
hex689e34590411

115028692370449 has 81 divisors (see below), whose sum is σ = 138009037432539. Its totient is φ = 95759224772640.

The previous prime is 115028692370447. The next prime is 115028692370477. The reversal of 115028692370449 is 944073296820511.

The square root of 115028692370449 is 10725143.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17016078753025 + 98012613617424 = 4125055^2 + 9900132^2 .

It is not a de Polignac number, because 115028692370449 - 21 = 115028692370447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115028692370447) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 274531485162 + ... + 274531485580.

It is a 1-persistent number, because it is pandigital, but 2⋅115028692370449 = 230057384740898 is not.

Almost surely, 2115028692370449 is an apocalyptic number.

115028692370449 is the 10725143-rd square number.

115028692370449 is the 5362572-nd centered octagonal number.

It is an amenable number.

115028692370449 is a deficient number, since it is larger than the sum of its proper divisors (22980345062090).

115028692370449 is an frugal number, since it uses more digits than its factorization.

115028692370449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 115028692370449 in words is "one hundred fifteen trillion, twenty-eight billion, six hundred ninety-two million, three hundred seventy thousand, four hundred forty-nine".

Divisors: 1 11 13 121 143 169 179 419 1573 1859 1969 2327 4609 5447 20449 21659 25597 30251 32041 50699 59917 70811 75001 175561 281567 332761 352451 416533 659087 778921 825011 975013 1931171 2282293 3660371 3876961 4581863 5414929 8568131 9075121 10725143 12675169 13425179 21242881 25105223 29669809 31425419 50400493 59564219 117976573 139426859 147676969 174527327 276157453 326367899 345679609 408530447 655206409 1533695449 1624446659 1919800597 2268855251 3590046889 3802475699 4493834917 5310895811 5625150001 21117806567 24957407761 49432184087 58419853921 61876650011 73126950013 274531485371 642618393131 680643150121 804396450143 950650350169 8848360951573 10457153851859 115028692370449